import { Hono } from "hono";
import { listActiveAds, recordImpressions } from "../lib/ads";

const ads = new Hono();

// GET /api/ads?kind=band  → active ad set for that slot (client rotates).
ads.get("/", async (c) => {
  const kind = c.req.query("kind") === "casino" ? "casino" : "band";
  const list = await listActiveAds(kind);
  // Expose only what the UI needs.
  return c.json(
    list.map((a) => ({
      id: a.id,
      brand: a.brand,
      subtitle: a.subtitle,
      url: a.url,
      cta: a.cta,
      icon: a.icon,
      tone: a.tone,
      kind: a.kind,
      ownerIp: a.ownerIp,
      imageUrl: a.imageUrl,
    }))
  );
});

// POST /api/ads/impressions  { ids: [...] }
ads.post("/impressions", async (c) => {
  let body: { ids?: string[] } = {};
  try {
    body = await c.req.json();
  } catch {
    return c.json({ error: "JSON invalide" }, 400);
  }
  const ids = Array.isArray(body.ids) ? body.ids.filter((x) => typeof x === "string") : [];
  await recordImpressions(ids);
  return c.json({ ok: true, counted: ids.length });
});

export default ads;